EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011
EARNINGS PER SHARE
(Loss) earnings from continuing operations	$ (6,695)	$ 7,022	$ 27,473	$ 33,319
(Loss) Income from discontinued operations, net of tax	(64)	(11)	(122)	3
Net (loss) earnings	$ (6,759)	$ 7,011	$ 27,351	$ 33,322
Basic average number of common shares outstanding during period	53,304,000	52,998,000	53,175,000	52,933,000
Common shares assumed issued upon exercise of dilutive stock options, net of assumed repurchase, at the average market price		600,000	768,000	661,000
Diluted average number of common shares assumed outstanding during period	53,304,000	53,598,000	53,943,000	53,594,000
Basic earnings per share:
(Loss) earnings from continuing operations (in dollars per share)	$ (0.13)	$ 0.13	$ 0.51	$ 0.63
Basic (loss) earnings per share (in dollars per share)	$ (0.13)	$ 0.13	$ 0.51	$ 0.63
Diluted earnings per share:
(Loss) earnings from continuing operations (in dollars per share)	$ (0.13)	$ 0.13	$ 0.51	$ 0.62
Diluted (loss) earnings per share (in dollars per share)	$ (0.13)	$ 0.13	$ 0.51	$ 0.62
Additional disclosures
Outstanding options and restricted stock units (in shares)	2,571,000	2,640,000	2,571,000	2,640,000
Anti-dilutive stock options excluded from computation of diluted earnings per share (in shares)	2,571,000	1,050,000	740,494	904,000